MicroDose begins Phase 1 trial of novel dry powder nebulized treatment for RSV

MicroDose Therapeutx has initiated a Phase 1 clinical trial of MDT-637, an inhalable small molecule antiviral fusion inhibitor for the treatment of respiratory syncytial virus (RSV) that is delivered using the company’s novel dry powder nebulizer. MicroDose is developing MDT-637 in partnership with Gilead Sciences and will develop the product through Phase 2a trials.

The study, which involves 48 healthy adults in the US, is a single ascending dose, randomized, placebo-controlled trial to evaluate the safety, tolerability and pharmacokinetics of MDT-637.

MicroDose Senior Director, Product Commercialization Group Robert Cook commented, “We are pleased to announce first subject dosing as we initiate clinical testing for MDT-637. This study will provide important safety and pharmacokinetic data for assisting dose selection in subsequent clinical development.”

Read the MicroDose press release.

Share

published on

May 10-May 14RDD 2026, Phoenix, AZ, USA

May 15-May 16: ATS Respiratory Innovation Summit 2026, Orlando, FL, USA

May 17-May 20: ATS International Conference 2026, Orlando, FL, USA

June 10SMI.London 2026, London, UK

July 13-July 162026 ISAM Congress, Taipei, Taiwan